<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            /* 每个字母的间隔 */
            /* letter-spacing: 10px; */
            /* 每个单词的间隔 */
            word-spacing: 20px;
        }
    </style>
</head>
<body>
    <div class="box">
        my name is junjie
    </div>
</body>
</html>